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3 years ago

7

List THREE examples of where you would see ADDING or SUBTRACTING DECIMALS in the real world?

1 answer:

Blababa [14]3 years ago

6 0

1 Shopping.

2 Jobs.

3 Eating out.

Explanation:

1 When you go shopping you will need to add up your items too see the pricing.

2 Many jobs such as banking you need to know your adding subtracting and decimals.

3 Eating out you need to know how much the price is and how much to tip.

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I need to know how many cupcakes are needed to fill this box.

Gre4nikov [31]

Is it more to this question like numbers or something I don’t really understand

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3 years ago

What is the solution to ln (x2 - 16) = 0?

bogdanovich [222]

ANSWER

$x = \pm \sqrt{17}$
EXPLANATION

The given equation is

$ln( {x}^{2} - 16) = 0$

Take antilogarithm of both sides to base e.

${e}^{ ln( {x}^{2} - 16) } = {e}^{0}$

This will simplify to

${x}^{2} - 16 = 1$

Group like terms to obtain,

${x}^{2} = 1 + 16$

${x}^{2} = 17$

Take square root of both sides to get,

$x = \pm \sqrt{17}$

6 0

3 years ago

Read 2 more answers

Sketch the graph of y= (x-1)^2+2

yarga [219]

That's what the graph should look like and I wrote the rest on there just incase you needed any other information.

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4 years ago

Joy knits a square blanket that has an area of 1,500 square inches . What is the approximant length for each side of the blanket

Alex777 [14]

Answer:

1) Option C - 39 inches

2) Option C - 12167 cubic feet

Step-by-step explanation:

1) Given : Joy knits a square blanket that has an area of 1,500 square inches

To find : What is the approximate length for each side of the blanket.

Solution: Area of square = 1500 square inches

Let the side of the blanket = s

Formula of area of square is $A= s^2$

$1500= s^2$

$s= \sqrt{1500}$

$s=38.7$

Approximately Side of blanket = 39 inches

Therefore, Option C is correct.

2) Given : Jeff is an architect and is drawing the plan for a room addition for a client. If the shape of the room is a cube.

To find : what is the volume in cubic feet if the length is 23 feet?

Solution: Length of side of a cube (a)= 23 feet

Let the volume of a cube = V

Formula of Volume of cube is $V= a^3$

$V= (23)^3$

$V= 12167$

Volume of a cube = 12167 cubic feet

Therefore, Option C is correct.

6 0

3 years ago

The data set below provides the monthly rent (in dollars) paid by 5 tenants. 879 , 920 , 940 , 950 , 990 Suppose the rent for on

MrRa [10]

Answer:

Mean before the rent changes = $935.8

Mean after the rent changes = $970.8

Step-by-step explanation:

Mean = sum of all data values / number of data values in a given data set

✔️Data set consisting of the rents of 5 tenants: 879 , 920 , 940 , 950 , 990

Mean before the rent changes = (879 + 920 + 940 + 950 + 990)/5 = 4,679/5 = 935.8

Mean before the rent changes = $935.8

✔️If one of the tenants rent changes from $940 to $1,115, the new data set would be:

879 , 920 , 1,115 , 950 , 990

Mean after the rent changes = (879 + 920 + 1,115 + 950 + 990)/5 = 4,854/5 = 970.8

Mean after the rent changes = $970.8

4 0

3 years ago